C++ (Cpp) i2c_check_deviceの例

コード例 #1

ファイル: mod_tc_mk2.c プロジェクト: zazolabs/ESP8266

i2c_config ICACHE_FLASH_ATTR *tc_init(uint8 *address, i2c_status *status) {
	i2c_config *config = NULL;
	
	*status = I2C_OK;
	if (*address == 0) {
		*address = MOD_TC_MK2_DEFAULT_ADDR;
	}
	
	config = i2c_find_config(*address, MOD_TC_MK2_ID);
	
	// Check if there is device at address 
	if (i2c_check_device(*address) != I2C_OK) {
		*status = I2C_DEVICE_NOT_FOUND;
		return config;
	}
	
	uint8 id;
	// Check if device is MOD-TC-MK2
	if (i2c_read_id(*address, &id) != I2C_OK) {
		*status = I2C_COMMUNICATION_FAILED;
		return config;
	}
	
	if (id != MOD_TC_MK2_ID) {
		*status = I2C_DEVICE_ID_DONT_MATCH;
		return config;
	}
	
	if (config == NULL) {
		config = i2c_add_config(*address, MOD_TC_MK2_ID, (void *)os_zalloc(sizeof(tc_config_data)));
	}
	
	return config;
}

コード例 #2

ファイル: mod_io2.c プロジェクト: habashynn/ESP8266

i2c_config ICACHE_FLASH_ATTR *io2_init(uint8 *address, i2c_status *status) {
	i2c_config *config = NULL;
	
	*status = I2C_OK;
	if (*address == 0) {
		*address = MOD_IO2_DEFAULT_ADDR;
	}
	
	config = i2c_find_config(*address, MOD_IO2_ID);
	
	// Check if there is device at address 
	if (i2c_check_device(*address) != I2C_OK) {
		*status = I2C_DEVICE_NOT_FOUND;
		return config;
	}
	
	uint8 id;
	// Check if device is MOD-IO2
	if (i2c_read_id(*address, &id) != I2C_OK) {
		*status = I2C_COMMUNICATION_FAILED;
		return config;
	}
	
	if (id != MOD_IO2_ID) {
		*status = I2C_DEVICE_ID_DONT_MATCH;
		return config;
	}
	
	// Set GPIO direction
	// GPIO bit 7654 3210 
	//          0001 1011    [0 - out, 1 - in]
	*status = io2_set_execute(*address, 0x01, 0x1B);
	if (*status != I2C_OK) {
		return config;
	}
	// Set GPIO pull up
	*status = io2_set_execute(*address, 0x04, 0x18);
	if (*status != I2C_OK) {
		return config;
	}
	
	if (config == NULL) {
		config = i2c_add_config(*address, MOD_IO2_ID, (void *)os_zalloc(sizeof(io2_config_data)));
	}
	
	return config;
}

コード例 #3

ファイル: robko.c プロジェクト: modSwap/ESP8266

i2c_config ICACHE_FLASH_ATTR *robko_init(uint8 *address, i2c_status *status) {
	i2c_config *config = NULL;
	
	*status = I2C_OK;
	if (*address == 0) {
		*address = ROBKO_DEFAULT_ADDR;
	}
	
	config = i2c_find_config(*address, ROBKO_ID);
	
	i2c_master_stop();
	
	// Check if there is device at address 
	if (i2c_check_device(*address) != I2C_OK) {
		*status = I2C_DEVICE_NOT_FOUND;
		return config;
	}
	
	uint8 id;
	// Check if device is ROBKO
	if (i2c_read_id(*address, &id) != I2C_OK) {
		*status = I2C_COMMUNICATION_FAILED;
		return config;
	}
	
	if (id != ROBKO_ID) {
#if ROBKO_DEBUG
		debug("ROBKO: ID do not match [0x%02X] \n", id);
#endif
		*status = I2C_DEVICE_ID_DONT_MATCH;
		return config;
	}
	
	if (config == NULL) {
		config = i2c_add_config(*address, ROBKO_ID, (void *)os_zalloc(sizeof(robko_config_data)));
	}
	
	return config;
}